Display panel or portion thereof with a graphical user interface component



FIG. 1 is a front view of a display panel or portion thereof with a graphical user interface component showing features of a first embodiment of our new design; and,

FIG. 2 is a front view of a display panel or portion thereof with a graphical user interface component showing a second_embodiment of our new design.

The stippling portrays contrasting appearance. The broken away lines at the end of the user interface component indicate break lines and the appearance of any portion of the article beyond the break lines forms no part of the claimed design.

The dash-dash-dash broken lines illustrate environmental structure, namely, text, images and a portion of a display panel of a communications terminal surrounding the illustrated user interface component, and form no part of the claimed design. 

CLAIM The ornamental design for a display panel or portion thereof with a graphical user interface component, as shown and described. 